Alright, let's work through 4280 times 3727 step by step
4280 × 3727 = 3727 × (4280)
+ 3727 × 0 which equals 0
+ 3727 × 80 producing 298160
+ 3727 × 200 which equals 745400
+ 3727 × 4000 that is equal 14908000

= 15951560
